| bootleg | destilar clandestinamente |
| Bootleg recording | Bootleg |
| bootlegger | traficante |
| bootlegging | contrabando de licores |
| bootlicker | pelotillero |
| bootstrap | lengüeta |
| Bootstrap Bill Turner | Williams Bootstrap Bill Turner |
| booty | presa |
| Booz | Booz |
| booze | copa |
| boozer | alcohólico |
| boozily | ebriamente |
| boozy | borracho |
| Bophuthatswana | Bophuthatswana |
| Boqueixón | Boqueijón |
| Boquerón Department | Departamento Boquerón |
| Bor | Boro |
| Bor District | Bor |
| Bora Bora | Bora Bora |
| Bora Milutinović | Bora Milutinović |
| Bora people | Bora |
| Boracay | Borácay |
| boracite | boracita |
| borage | borraja |
| Boraginaceae | Boraginaceae |
| Borago | Borago |
| Boranes | Borano |
| Borat | Borat |
| borax | bórax |
| Borborema Plateau | Planalto da Borborema |
| Borda count | Recuento Borda |
| Bordeaux | Bordeaux |
| Bordeaux Cathedral | Catedral de Burdeos |
| Bordeaux wine | Vinos de Burdeos |
| Bordeaux-Paris | Burdeos-París |
| Borden Island | Isla Borden |
| border | lindar |
| Border Collie | Collie de la frontera |
| border policeman | carabinero |
| Border Ranges National Park | Parque Nacional Crestas Borde |
| Border Terrier | Border Terrier |
| borderer | fronterizo |
| bordering | contiguo |
| borderland | zona fronteriza |
| Borderless country | País insular |
| borderline | frontera |
| borderline case | caso marginal |
| Borderline personality disorder | Borderline |
| Bordertown | La ciudad del silencio |
| Bordetella | Bordetella |
| Bordj Bou Arreridj | Provincia de Bordj Bou Arréridj |
| Bordj Bou Arréridj Province | Provincia de Bordj Bou Arréridj |
| Borduria | Borduria |
| bore | aburrir |
| Bore into | Sondar I |
| Boreads | Boréadas |
| boreal | boreal |
| Borealosaurus | Borealosaurus |
| boreas | bóreas |
| bored | aburrido |
| boredom | fastidio |
| borehole | taladro |
| Borehole pump | Bomba |
| Borel algebra | Álgebra de Borel |
| Borel summation | Sumación de Borel |
| borer | taladro |
| Boreray | Boreray |
| Borex | Borex |
| Borg | Borg |
| Borgesian | borgesiano |
| Borgia | Borgia |
| Borgou Department | Borgou |
| boric | bórico |
| boric oxide | óxido bórico |
| Boricua Popular Army | Ejército Popular Boricua |
| boride | boruro |
| boring | aburrido |
| Boris | Boris |
| Boris Becker | Boris Becker |
| Boris Efimov | Boris Efimov |
| Boris Gelfand | Boris Gelfand |
| Boris Godunov | Borís Godunov |
| Boris III of Bulgaria | Boris III |
| Boris Iofan | Boris Iofan |
| Boris Karloff | Boris Karloff |
| Boris Kaufman | Boris Kaufman |
| Boris Kustodiev | Boris Kustodiev |
| Boris Pahor | Boris Pahor |
| Boris Pasternak | Borís Pasternak |
| Boris Pašanski | Boris Pašanski |
| Boris Pilnyak | Boris Pilniak |
| Boris Shaposhnikov | Boris Shaposhnikov |
| Boris Skossyreff | Borís Skossyreff |
| Boris Spassky | Borís Spaski |
| Boris Tadić | Boris Tadić |
| Boris Trajkovski | Boris Trajkovski |
| Boris Vallejo | Boris Vallejo |
| Boris Vian | Boris Vian |
| Boris Yeltsin | Boris Yeltsin |
| Borislav Ivkov | Borislav Ivkov |
| Borislav Kostić | Borislav Kostić |
| Borivoj I of Bohemia | Borivoj I de Bohemia |
| Borja García | Borja García |
| Borjomi | Borjomi |
| Borken | Distrito de Borken |
| Borkum | Borkum |
| Borland | Borland |
| Borland Delphi | Delphi |
| Borlänge | Borlänge |
| Borlänge Municipality | Borlänge |
| born | nacido |
| Born again Christianity | Renacimiento |
| Born to Make You Happy | Born to Make You Happy |
| Born to Run | Nacida para correr |
| born with a silver spoon in one's mouth | nacer en cuna de oro |
| Born Yesterday | Nacida ayer |
| born-again | renacido |
| Born-Haber cycle | Ciclo de Born-Haber |
| Born-Oppenheimer approximation | Aproximación de Born-Oppenheimer |
| borne | soportado |
| Bornean Orangutan | Pongo pygmaeus |
| Borneo | Borneo |
| Bornholm | Bornholm |
| Bornholm disease | Enfermedad de Bornholm |
| Bornholm Island | Bornholm |
| bornite | bornita |
| Bornu Empire | Imperio Kanem-Bornu |
| Boro | Municipio |
| Borobudur | Borobudur |
| Boromir | Boromir |
| boron | boro |
| Boron carbide | Carburo de boro |
| Boron trioxide | Trióxido de boro |
| borough | municipio |
| Borough tube station | Borough |
| Boroughs of England | Condados de Inglaterra |
| Boroughs of Montreal | Distritos de Montreal |
| Boroughs of the Mexican Federal District | Delegaciones del Distrito Federal |
| Borovichi | Borovichí |
| Borr | Bor |
| Borrelia burgdorferi | Borrelia burgdorferi |
| Borrell of Ausona | Borrell de Osona |
| Borromean rings | Nudo borromeo |
| borrow | tomar prestado |
| borrower | prestatario |
| borrowing | préstamo |
| Bors | Bors |
| Borsa Italiana | Bolsa de Italia |
| borscht | borscht |
| Borsele | Borsele |
| Borský Mikuláš | Borský Mikuláš |
| Borský Svätý Jur | Borský Svätý Jur |
| Bort-les-Orgues | Bort-les-Orgues |
| Borussia Dortmund | Borussia Dortmund |
| Borussia Mönchengladbach | Borussia Mönchengladbach |
| Borys Paton | Borys Paton |
| Boryspil | Aeropuerto Internacional de Boryspil |
| Boryspil International Airport | Aeropuerto Internacional de Boryspil |
| borzoi | galgo ruso |
| Borðoy | Borðoy |
